I've been looking for a new twin pipe backbox to replace the standard single pipe one on my '87 320i
I've had a look at powerflow who seem quite good and relatively inexpensive, especially as they can tune the sound which I want quite raspy but not too loud.
Does anyone else have any other recommendations??
Exhaust opinions
Moderator: martauto
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camcc
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1989 325i Convertible

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M5pilot
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Supersprint rear box is very well built and not overly loud. Costs £265 roughly. Use with standard centre section.
Other option is Scorpion.
Powerflow - be careful here as only a few of the powerflow centres are any good. The design of the actual boxes is very simple and the internals dont tend to last very long.
Other option is Scorpion.
Powerflow - be careful here as only a few of the powerflow centres are any good. The design of the actual boxes is very simple and the internals dont tend to last very long.
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camcc
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Powerflow exhausts come with a lifetime guarantee though...so you'd expect them to last wouldn't you?
1989 325i Convertible

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Falkster
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All the lifetime guarantee will give you is a lifetimes worth of grief. I know someone that goes back each year for a replacement
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M5pilot
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All depends on which Powerflow centre you go to.
I've seen some very nice systems come out of there.
There is a member here called blingsta, he has a custom exhaust and it is very nice. Sound is great with his Alpina 6 branch. Don't know where he had it made but it certainly didnt lose him power or torque anywhere. I've seen the dyno graphs.
I've seen some very nice systems come out of there.
There is a member here called blingsta, he has a custom exhaust and it is very nice. Sound is great with his Alpina 6 branch. Don't know where he had it made but it certainly didnt lose him power or torque anywhere. I've seen the dyno graphs.
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camcc
- E30 Zone Newbie

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hmmm...okay I guess I shouldn't skimp then a pay the premium for a Supersprint if it means i'm not going to need a replacement every year 
If I get one off the E30zone shop...how easy are they to fit??
Does anyone know any Supersprint suppliers in the South West? (Cheltenham & Gloucester)
If I get one off the E30zone shop...how easy are they to fit??
Does anyone know any Supersprint suppliers in the South West? (Cheltenham & Gloucester)
1989 325i Convertible


